Catecholamine, any of various naturally occurring amines that function as neurotransmitters and hormones within the body. Catecholamines are characterized by a catechol group (a benzene ring with two hydroxyl groups) to which is attached an amine (nitrogen-containing) group. Among the catecholamines are dopamine, epinephrine (adrenaline), and norepinephrine (noradrenaline). 1  All catecholamines are synthesized from the amino acid l-tyrosine according to the following sequence: tyrosine â dopa (dihydroxyphenylalanine) â dopamine â norepinephrine (noradrenaline) â epinephrine (adrenaline).
The name Maheen is of Persian origin. The meaning of Maheen is greatest. Maheen is generally used as a girl's name. It consists of 6 letters and 2 syllables and is pronounced Ma-heen.
Makran (Balochi: ÙÚ©Ø±Ø§Ù) (pronounced [maek'mÃ¦k]) rÉËn is a-semi desert coastal strip in the south Of sindh And, balochistan In pakistan And, iran along the coast of The Persian gulf and The gulf Of. Oman the Name makran derives From, maka borne by an overlapping satrapy of The Achaemenid. empire